Overwintering guide
How to overwinter white marsh marigold
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills white marsh marigold in winter
Cutting white marsh marigold hard back in autumn "to tidy up". That removes the growth that shelters the crown, and on some plants removes next season's flower buds entirely.
More white marsh marigold care
- Overwintering caltha palustris — the species this cultivar belongs to
- Overwintering white marsh marigold — our other guide for the same plant
- Full white marsh marigold care guide
- White Marsh Marigold temperature range
- How often to water white marsh marigold
- How to prune white marsh marigold
- Common white marsh marigold problems & fixes
- Best plant identifier apps — tested and ranked
Overwintering white marsh marigold — FAQ
Does white marsh marigold need to come indoors for winter?
White Marsh Marigold is hardy to roughly USDA zone 3 — winter lows around -40°C. That means it can stay outside all winter in most temperate gardens. White Marsh Marigold is properly hardy and overwinters outside without fuss. Tidy away anything dead or diseased, apply a mulch over the crown to steady soil temperatures, and otherwise leave it alone — many hardy plants actually need a cold period to flower and grow well the following year. Save hard pruning for the right season rather than doing it in autumn.
When should I move white marsh marigold for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water white marsh marigold in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills white marsh marigold over winter?
Cutting white marsh marigold hard back in autumn "to tidy up". That removes the growth that shelters the crown, and on some plants removes next season's flower buds entirely.